Secrets of Chang'an

Manxiang Tower, where celebrities gathered in Chang'an City, was suddenly attacked by blood crows, and a bizarre murder occurred. The deceased was alive and well in life, but seemed to be quickly drained of his essence after death. The "miraculous medicine" that had been missing for ten years reappeared in the world... The cold-faced goddess famous in Chang'an visited Shangguan Nanzhao to investigate the scene, and concluded that the case was related to the massacre of her fiancé's family ten years ago. The case is complicated and confusing, and people from all walks of life are involved in it because of the "miracle medicine" prescription. Who is the real culprit? Who is behind the scenes? Nanzhao is approaching the truth step by step, and there are many dangers, and the ending is often unexpected.